Sirloin Steak Calories and Macros — Nutrition Facts per 100g (cooked, lean)

A serving of sirloin steak — 100g (cooked, lean) — comes to 183 calories, with 30.6g of protein, 0g of carbs, and 5.8g of fat. Below is the complete USDA-sourced breakdown, plus how those numbers play with typical calorie and macro targets.

Sirloin Steak nutrition facts

*Percent Daily Values are based on a 2,000-calorie diet. Source: USDA FoodData Central.

Top sirloin, broiled, trimmed lean. Eating the fat cap untrimmed pushes it closer to 240 kcal per 100g.

How does sirloin steak fit your goals?

With 30.6g of protein per 100g (cooked, lean), sirloin steak is a workhorse for anyone tracking macros for weight loss or muscle gain. Protein is the most satiating macro and the hardest to over-eat by accident, which is why high-protein foods anchor most successful cutting and recomposition plans. A single serving covers roughly 20% of a 150g daily protein target — the kind of number that adds up quickly when you build meals around it.

Diet-wise, sirloin steak fits keto, low-carb, and high-protein eating patterns.

Micronutrients worth noting

Beyond the macros, sirloin steak pulls real weight on iron (11% DV) per 100g (cooked, lean) — the kind of micronutrient density that calorie counts alone don't show.

How sirloin steak compares to other proteins

Tracking sirloin steak without the friction

The numbers above only help if logging is easy enough that you actually do it. Instead of searching a database every time sirloin steak hits your plate, snap a photo in Bento Bunny — the app recognises the food, estimates the portion, and adds the macros for you. No subscription needed for core tracking.

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